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Section 18 Multi-Function Timer Pulse Unit (MTU)
Rev. 4.00 Sep. 14, 2005 Page 583 of 982
REJ09B0023-0400
Table 18.33 Up/Down-Count Conditions in Phase Counting Mode 1
TCLKA (Channel 1)
TCLKC (Channel 2)
TCLKB (Channel 1)
TCLKD (Channel 2)
Operation
High level
Up-count
Low level
Low level
High level
High level
Down-count
Low level
High level
Low level
[Legend]
: Rising edge
: Falling edge
• Phase counting mode 2
Figure 18.26 shows an example of phase counting mode 2 operation, and table 18.34
summarizes the TCNT up/down-count conditions.
Time
Down-countUp-count
TCNT value
TCLKA (channel 1)
TCLKC (channel 2)
TCLKB (channel 1)
TCLKD (channel 2)
Figure 18.26 Example of Phase Counting Mode 2 Operation